Which of the following isNOTa circumstance that may affect how quickly a person can become unduly intoxicated?

1. Being tired, ill or stressed may affect how quickly a person becomes intoxicated
2. It may take longer for a larger person to display signs of intoxication than a smaller person
3. Someone who has not having eaten any food may experience the effects of alcohol more quickly
4. The percentage of alcohol in the drink may affect how quickly a person becomes intoxicated
5. Drinking in the sun may affect how quickly a person becomes intoxicated
6. Age of the person, an older person will become intoxicated more quickly than a younger person